Direct ophthalmoscope a classic medical device for ophthalmology adopts a professional lens system.

It makes doctors conveniently get a clear visual field and examine the interior structures of eyes.

Tech Specs:

LED White Buld and LED Sunlight Bulb.

B-BP101 LED White or V-BP102 LED Sunlight

Range of lenses: -20D to +20D

Battery: 2AA Alkaline Batteries